This is an authentic IRENE NEUWIRTH 18K Yellow Gold Chrysoprase Cocktail Ring size 56 or 7.5. The ring is crafted of 18 karat yellow gold and features a bezel-set rectangular chrysoprase atop a polished band. Follow this item for alerts. Irene Neuwirth is a registered trademark of Irene Neuwirth. FASHIONPHILE is not affiliated with Irene Neuwirth.